接上HDMI 7寸屏幕后，系统无法启动
http://developer.t-firefly.com/forum.php?mod=image&aid=2135&size=300x300&key=646da11a49ab4a77&nocache=yes&type=fixnone求大牛解救！~
硬件：RK3288 PLUS
Ubuntu：Firefly-RK3288_SDBoot_Ubuntu14.04_201503021436
SD启动
补充：用了同时间段的双系统测试没有问题
串口调试有两种error：
1、第一种如下log2、第二种看附件，有点长
[ 6.747885] 3f60: 00000000 c004ca28 ffffffff 00000000 ffffffff edaa5e00 00000000 00000000
[ 6.747891] 3f80: edab3f80 edab3f80 00000001 00010001 edab3f90 edab3f90 edab3fac ed9ebea0
[ 6.747896] 3fa0: c004c988 00000000 00000000 c000da98 00000000 00000000 00000000 00000000
[ 6.747901] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.747906] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ffffffff ffffffff
[ 6.747914] [<c004cd8c>] (kthread_data+0x4/0xc) from [<c0047d80>] (wq_worker_sleeping+0xc/0xd4)
[ 6.747926] [<c0047d80>] (wq_worker_sleeping+0xc/0xd4) from [<c079cb80>] (__schedule+0x138/0x554)
[ 6.747938] [<c079cb80>] (__schedule+0x138/0x554) from [<c00329f8>] (do_exit+0x3d8/0x400)
[ 6.747947] [<c00329f8>] (do_exit+0x3d8/0x400) from [<c0011584>] (oops_end.isra.4+0xb0/0xc4)
[ 6.747956] [<c0011584>] (oops_end.isra.4+0xb0/0xc4) from [<c07831c4>] (__do_kernel_fault.part.9+0x54/0x74)
[ 6.747965] [<c07831c4>] (__do_kernel_fault.part.9+0x54/0x74) from [<c0018e88>] (do_page_fault+0x29c/0x2b8)
[ 6.747973] [<c0018e88>] (do_page_fault+0x29c/0x2b8) from [<c0008408>] (do_DataAbort+0x34/0x98)
[ 6.747981] [<c0008408>] (do_DataAbort+0x34/0x98) from [<c000d598>] (__dabt_svc+0x38/0x60)
[ 6.747985] Exception stack(0xedab3dc8 to 0xedab3e10)
[ 6.747990] 3dc0: edacdc00 edacdc84 edacdc84 00000001 edacdc00 edacdc00
[ 6.747996] 3de0: edacdc00 00000002 eda70680 ee00f000 ee00f014 00000089 00000000 edab3e10
[ 6.748001] 3e00: c02b39dc c02b39a0 20000113 ffffffff
[ 6.748009] [<c000d598>] (__dabt_svc+0x38/0x60) from [<c02b39a0>] (hdmi_find_best_mode+0x7c/0x98)
[ 6.748017] [<c02b39a0>] (hdmi_find_best_mode+0x7c/0x98) from [<c02b39dc>] (hdmi_set_lcdc+0x20/0x68)
[ 6.748024] [<c02b39dc>] (hdmi_set_lcdc+0x20/0x68) from [<c02b254c>] (hdmi_wq_set_video+0x10/0xe4)
[ 6.748032] [<c02b254c>] (hdmi_wq_set_video+0x10/0xe4) from [<c02b2808>] (hdmi_wq_insert.part.2+0x18/0x9c)
[ 6.748039] [<c02b2808>] (hdmi_wq_insert.part.2+0x18/0x9c) from [<c02b2abc>] (hdmi_work_queue+0x1e0/0x3e8)
[ 6.748046] [<c02b2abc>] (hdmi_work_queue+0x1e0/0x3e8) from [<c00471f0>] (process_one_work+0x29c/0x458)
[ 6.748053] [<c00471f0>] (process_one_work+0x29c/0x458) from [<c004758c>] (worker_thread+0x1e0/0x2d4)
[ 6.748060] [<c004758c>] (worker_thread+0x1e0/0x2d4) from [<c004ca28>] (kthread+0xa0/0xac)
[ 6.748066] [<c004ca28>] (kthread+0xa0/0xac) from [<c000da98>] (ret_from_fork+0x14/0x3c)
[ 6.748072] Code: e513001c e7e00150 e12fff1e e59032b4 (e5130014)
[ 6.748076] ---[ end trace 32026cb22291f8bc ]---
[ 6.748080] Fixing recursive fault but reboot is needed!
[ 11.803692] saradc-reg: 0x000003ff 0x00000000 0x00000069 0x00000008
[ 11.813306] read channel() error: -110
[ 12.886087] saradc-reg: 0x000003ff 0x00000000 0x00000069 0x00000008
[ 12.895728] read channel() error: -110
[ 13.968488] saradc-reg: 0x000003ff 0x00000000 0x00000069 0x00000008
[ 13.978145] read channel() error: -110
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